Western Electric Mfg. CO.
Chicago, IL Western Western Western Western
AT&T 

Model Number   1A
Base size      2.5" X 3.5"
     finish    Brass & Nickle
Ckt Closer     Yes
Aquired        March 2ØØ1
Western Western Western 

Model Number   6A
Manufactured   194Øs
Base size      1" X 2"
     finish    Nickel Plated
Ckt Closer     Yes
Aquired        March 2ØØ1
Minature Test Set Key - see write up on pg 15 of
Tom Perera's Telegraph Collectors's Guide